APA aipamena

Berger, M. L., & Berger, P. J. (1972). Group training techniques. Gower Press.

Chicago Style aipamena

Berger, Melvyn Louis, and Pam J. Berger. Group Training Techniques. [Epping]: Gower Press, 1972.

MLA aipamena

Berger, Melvyn Louis, and Pam J. Berger. Group Training Techniques. Gower Press, 1972.